In order to begin to carry out finishing work, it is necessary to inspect the walls and determine how even they are. The same procedure will also touch the floor and ceiling. Когда обнаружена неровная поверхность пола, то для ее устранения следует сделать цементную стяжку. As for the walls, they must be plastered by level and remove all the existing corners so that they are 90 °. All this is required so that the selected furniture does not have distortions and cracks during installation, and it was exactly.